CN110198118A - A kind of auxiliary electric source actuating apparatus and a kind of accessory power supply - Google Patents
A kind of auxiliary electric source actuating apparatus and a kind of accessory power supply Download PDFInfo
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- CN110198118A CN110198118A CN201910414557.2A CN201910414557A CN110198118A CN 110198118 A CN110198118 A CN 110198118A CN 201910414557 A CN201910414557 A CN 201910414557A CN 110198118 A CN110198118 A CN 110198118A
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- power tube
- power supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The present invention provides a kind of auxiliary electric source actuating apparatus and a kind of accessory power supply, belongs to power supply control technology field.The starter includes start-up circuit and the breaking circuit for controlling start-up circuit shutdown；Start-up circuit includes the promoter module being arranged in series, the first input end of promoter module connects the control terminal of the first power tube by charging paths, and the positive terminal of the first power tube is connected by the first connection line, the control terminal of first power tube is connected with negative pole end by the first voltage-stabiliser tube, the negative pole end of first power tube connects the first output end, and the first output end of the last one promoter module is voltage output end；The second input terminal connects the control terminal of the second power tube, the negative pole end ground connection of the second power tube by the second connection line in breaking circuit, and positive terminal connects the control terminal of the first power tube in the last one promoter module.The starter can reduce the energy consumption during auxiliary power start, solve the problems, such as to lead to the reduction of accessory power supply efficiency because energy consumption is excessive.
Description
Technical field
The invention belongs to power supply control technology fields, and in particular to a kind of auxiliary electric source actuating apparatus and a kind of auxiliary electricity
Source.
Background technique
Chain H bridge cascade structure is in D.C. high voltage transmission, flexible DC transmission, high pressure static reactive power compensator and height
Pressure shore electric power technical field has a wide range of applications, and each IGBT requires a driving and control in chain H bridge cascade structure
The starting voltage of high pressure accessory power supply processed, accessory power supply is sometimes as little as 300V, and up to 4500V, voltage change range compare sometimes
It is wide.If the mode of flyback accessory power supply tandem promoter resistance routinely realizes the starting of accessory power supply, start-up resistor
Resistance value is usually bigger, for example when the starting voltage of accessory power supply is increased to 4500V from 300V, the loss in start-up resistor is big
About to increase 225 times, the energy consumption of this high-power resistance is larger, and then power-efficient is caused to substantially reduce.
Summary of the invention
The purpose of the present invention is to provide a kind of auxiliary electric source actuating apparatus, utilize starting electricity in the prior art for solving
When resistance mode realizes the starting of accessory power supply, since the energy consumption of start-up resistor is larger and cause what power-efficient substantially reduced to ask
Topic；The present invention also provides a kind of accessory power supplys, realize accessory power supply in the way of start-up resistor in the prior art for solving
When starting, the problem of causing power-efficient to substantially reduce since the energy consumption of start-up resistor is larger.
To achieve the above object, present invention provide the technical scheme that
A kind of auxiliary electric source actuating apparatus, the breaking circuit including start-up circuit and for controlling start-up circuit shutdown；Institute
Stating start-up circuit includes a promoter module or at least two promoter modules that are arranged in series；The promoter module includes
First input end, the first output end and the first power tube, the first input end connect first power by charging paths
The control terminal of pipe, the first input end connect the positive terminal of first power tube by the first connection line, and described first
The control terminal of power tube is connected with the negative pole end of the first power tube by the first voltage-stabiliser tube, the negative pole end of first power tube
Connect first output end；In the start-up circuit, the first input end of first promoter module is for connecting power supply electricity
Source, the first output end of the last one promoter module are the voltage output end of the auxiliary electric source actuating apparatus, and in addition to most
In each promoter module of remaining of the latter promoter module, charging paths are connect with the tie point of the control terminal of the first power tube
The first input end of next promoter module；The breaking circuit includes the second power tube and for receiving accessory power supply
Second input terminal of feedback voltage signal, second input terminal connect the control of second power tube by the second connection line
End processed, the negative pole end ground connection of second power tube, the positive terminal of second power tube connect the last one described promoter
The control terminal of the first power tube in module.
The auxiliary electric source actuating apparatus, using the starting of voltage-stabiliser tube control accessory power supply, due to auxiliary power start process
In there is no start-up resistor energy consumption, so the energy consumption during can reduce auxiliary power start, solve since energy consumption is excessive and
The problem of causing accessory power supply efficiency to reduce.
Further, string is equipped with first resistor and second resistance, the first resistor and the in second connection line
The tie point of two resistance is grounded by first capacitor, and the control terminal of second power tube and the negative pole end of the second power tube pass through
3rd resistor is connected；The charging paths are made of resistive circuit and capacitor lines parallel connection, and string is equipped on the resistive circuit
4th resistance, string is equipped with the second capacitor on the capacitor lines；String is equipped with the 5th resistance in first connection line.
First resistor, which is arranged, can prevent the electric current of the second power tube control terminal excessive, and setting first capacitor can make second
The voltage of power tube control terminal keeps stablizing, and first resistor, second resistance, 3rd resistor and first capacitor constitute delay and close
Deenergizing, the capacity by adjusting first capacitor can adjust the turn-off time of auxiliary electric source actuating apparatus, the appearance of first capacitor
The turn-off time for measuring bigger auxiliary electric source actuating apparatus is longer, the shutdown of the smaller auxiliary electric source actuating apparatus of the capacity of first capacitor
Time is shorter.The 4th resistance, which is arranged, can play the role of current limliting, and the second capacitor of setting can play pressure stabilizing.It is arranged the 5th
Resistance can prevent the electric current in the first connection line excessive and damage device.
Further, pass through the second pressure stabilizing between the control terminal and ground of the first power tube in the last one promoter module
Pipe is connected；The voltage output end of the auxiliary electric source actuating apparatus is provided with the diode for preventing current flowing backwards.
Second voltage-stabiliser tube is set, can either guarantee the steady of the first power tube control terminal voltage in the last one promoter module
It is fixed, additionally it is possible to prevent its overtension.Diode is set, can prevent current flowing backwards from damaging it into auxiliary electric source actuating apparatus
In device.
A kind of accessory power supply, including power supply control chip, auxiliary power supply coil and starter, the electricity of the starter
Press the voltage output end of output end and the auxiliary power supply coil for the feeder ear of the electrical connection power supply control chip, it is described to open
Dynamic device includes start-up circuit and the breaking circuit for controlling start-up circuit shutdown；The start-up circuit includes a promoter
Module or at least two promoter modules that are arranged in series；The promoter module include first input end, the first output end and
First power tube, the first input end connect the control terminal of first power tube, first input by charging paths
End connects the positive terminal of first power tube, the control terminal and the first power of first power tube by the first connection line
The negative pole end of pipe is connected by the first voltage-stabiliser tube, and the negative pole end of first power tube connects first output end；It is described
In start-up circuit, the first input end of first promoter module is used to connect power supply, the last one promoter module
First output end is the voltage output end of the starter, and in addition to remaining each starting submodule of the last one promoter module
In block, charging paths connect the first input end of next promoter module with the tie point of the control terminal of the first power tube；Institute
State the second input terminal that breaking circuit includes the second power tube and the feedback voltage signal for receiving accessory power supply, described
Two input terminals connect the control terminal of second power tube, the cathode termination of second power tube by the second connection line
Ground, the positive terminal of second power tube connect the control terminal of the first power tube in the last one described promoter module.
Starter in the accessory power supply, using the starting of voltage-stabiliser tube control accessory power supply, due to auxiliary power start
It consumes energy in the process without start-up resistor, so the energy consumption during can reduce auxiliary power start, solves due to energy consumption mistake
The problem of causing accessory power supply efficiency to reduce greatly.
Further, string is equipped with first resistor and second resistance, the first resistor and the in second connection line
The tie point of two resistance is grounded by first capacitor, and the control terminal of second power tube and the negative pole end of the second power tube pass through
3rd resistor is connected.
First resistor, which is arranged, can prevent the electric current of the second power tube control terminal excessive, and setting first capacitor can make second
The voltage of power tube control terminal keeps stablizing, and first resistor, second resistance, 3rd resistor and first capacitor constitute delay and close
Deenergizing, the capacity by adjusting first capacitor can adjust the turn-off time of auxiliary electric source actuating apparatus, the appearance of first capacitor
The turn-off time for measuring bigger auxiliary electric source actuating apparatus is longer, the shutdown of the smaller auxiliary electric source actuating apparatus of the capacity of first capacitor
Time is shorter.
Further, the charging paths are made of resistive circuit and capacitor lines parallel connection, and string is set on the resistive circuit
There is the 4th resistance, string is equipped with the second capacitor on the capacitor lines.
The 4th resistance, which is arranged, can play the role of current limliting, and the second capacitor of setting can play pressure stabilizing.
Further, string is equipped with the 5th resistance in first connection line.
5th resistance is set, the electric current in the first connection line can be prevented excessive and damage device.
Further, pass through the second pressure stabilizing between the control terminal and ground of the first power tube in the last one promoter module
Pipe is connected.
Second voltage-stabiliser tube is set, can either guarantee the steady of the first power tube control terminal voltage in the last one promoter module
It is fixed, additionally it is possible to prevent its overtension.
Further, the voltage output end of the starter is provided with the diode for preventing current flowing backwards.
Diode is set, can prevent current flowing backwards from damaging device therein into starter.
Detailed description of the invention
Fig. 1 is the structure principle chart of auxiliary electric source actuating apparatus in apparatus of the present invention embodiment；
Fig. 2 be in apparatus of the present invention embodiment when input voltage is 300V third power tube during auxiliary power start
Voltage oscillogram between Q3 negative pole end, control terminal and control terminal and negative pole end；
Fig. 3 be in apparatus of the present invention embodiment when input voltage is 300V the 4th power tube in start-up circuit closing process
Voltage wave between the voltage oscillogram and third power tube Q3 negative pole end, control terminal, control terminal and negative pole end of Q4 control terminal
Shape figure；
Fig. 4 be in apparatus of the present invention embodiment when input voltage is 5000V third power during auxiliary power start
Voltage oscillogram between pipe Q3 negative pole end, control terminal and control terminal and negative pole end；
Fig. 5 be in apparatus of the present invention embodiment when input voltage is 5000V the 4th power in start-up circuit closing process
Voltage between the voltage oscillogram and third power tube Q3 negative pole end, control terminal, control terminal and negative pole end of pipe Q4 control terminal
Waveform diagram；
Fig. 6 is the structure principle chart of accessory power supply provided in accessory power supply embodiment of the present invention.
Specific embodiment
Technical solution of the present invention is described further With reference to embodiment.
Installation practice:
The present embodiment provides a kind of auxiliary electric source actuating apparatus, for controlling opening for chain H bridge cascade structure accessory power supply
It is dynamic, when the starting of accessory power supply is realized in solution in the way of start-up resistor in the prior art, since the energy consumption of start-up resistor is larger
And the problem of causing power-efficient to substantially reduce.
Auxiliary electric source actuating apparatus provided by the present embodiment, structure principle chart as shown in Figure 1, include start-up circuit and
Breaking circuit, breaking circuit is for controlling start-up circuit shutdown.
Auxiliary electric source actuating apparatus provided by the present embodiment, start-up circuit include at least two startings being arranged in series
Submodule is illustrated in the present embodiment for three concatenated promoter modules are arranged in start-up circuit.
First promoter module includes the first output end, the first charging paths, first input end and the first power tube Q1, the
Two promoter modules include second output terminal, the second charging paths, the second input terminal and the second power tube Q2, and third starts submodule
Block includes third output end, third charging paths, third input terminal and third power tube Q3.
In first promoter module, first input end connects the positive terminal of the first power tube Q1 by the first connection line,
And the control terminal of the first power tube Q1 is connected by the first charging paths；The negative pole end of first power tube Q1 connects the first promoter
First output end of module, and pass through the first voltage-stabiliser tube D1 connection between the control terminal and negative pole end of the first power tube Q1.First
String is equipped with first resistor R1 in connection line, includes first resistor route and first capacitor route in the first charging paths, and first
It is arranged in parallel between resistive circuit and first capacitor route, wherein string is equipped with second resistance R2, the first electricity in first resistor route
Hold string in route and is equipped with first capacitor C1.
In second promoter module, the second input terminal connects the positive terminal of the second power tube Q2 by the second connection line,
And the control terminal of the second power tube Q2 is connected by the second charging paths；The negative pole end of second power tube Q2 connects the second promoter
The second output terminal of module, and pass through the second voltage-stabiliser tube D2 connection between the control terminal and negative pole end of the second power tube Q2.Second
String is equipped with 3rd resistor R3 in connection line, includes second resistance route and the second capacitor lines in the second charging paths, and second
It is arranged in parallel between resistive circuit and the second capacitor lines, wherein string is equipped with the 4th resistance R4, the second electricity in second resistance route
Hold string in route and is equipped with the second capacitor C2.
In third promoter module, third input terminal connects the positive terminal of third power tube Q3 by third connection line,
And the control terminal of third power tube Q3 is connected by third charging paths；The negative pole end of third power tube Q3 connects third promoter
The third output end of module, and pass through third voltage-stabiliser tube D3 connection between the control terminal and negative pole end of third power tube Q3.Third
String is equipped with the 5th resistance R5 in connection line, includes 3rd resistor route and third capacitor lines, third in third charging paths
It is arranged in parallel between resistive circuit and 3rd resistor route, wherein string is equipped with the 6th resistance R6, third electricity in 3rd resistor route
Hold string in route and is equipped with third capacitor C3.
First input end in first promoter module is opened for connecting power supply VDC, the first output end connection second
The second input terminal in mover module, and the first charging paths and the control terminal of the first power tube Q1 in the first promoter module
Tie point connects the second input terminal of the second promoter module；Second output terminal connection third starting in second promoter module
Third input terminal in submodule, and in the second promoter module the control terminal of the second charging paths and the second power tube Q2 company
The third input terminal of contact connection third promoter module；Third output end in third promoter module is auxiliary power start
The voltage output end of device, for exporting the voltage of control auxiliary power start, and the third in third promoter module
It is provided with counnter attack diode D0 on the route of output end connection auxiliary electric source actuating apparatus voltage output end, counnter attack diode D0 is used
In preventing current flowing backwards.
Breaking circuit includes the 4th input terminal, the 4th connection line and the 4th power tube Q4, wherein the 4th input terminal is used for
The feedback voltage signal of accessory power supply is received, and the 4th input terminal connects the control of the 4th power tube Q4 by the 4th connection line
End, the positive terminal of the 4th power tube Q4 connect the control terminal of third power tube Q3 in third promoter module, and negative pole end is grounded, and
And the 4th voltage-stabiliser tube D4 is provided between the 4th power tube Q4 positive terminal and negative pole end.It include that series connection is set in 4th connection line
The 7th resistance R7 set and the 8th resistance R8, and the tie point of the 7th resistance R7 and the 8th resistance R8 is connect by the 4th capacitor C4
The control terminal on ground, the 4th power tube Q4 is grounded by the 9th resistance R9.
Auxiliary electric source actuating apparatus provided by the present embodiment, the first power tube Q1 therein, the second power tube Q2 and
Three power tube Q3 are the silicon carbide MOSFET of model C2M1000170D, and the 4th power tube Q4 is model
The low pressure MOSFET of irlml0060trpbf；The voltage of voltage regulation of first voltage-stabiliser tube D1, the second voltage-stabiliser tube D2 and third voltage-stabiliser tube D3
It is 22V, the voltage of voltage regulation of the 4th voltage-stabiliser tube D4 is 25V.
Auxiliary electric source actuating apparatus provided by the present embodiment, its working principle is that:
After power supply VDC applies voltage, given by the first charging paths, the second charging paths and third charging paths
The junction capacity of third power tube Q3 charges；
When the voltage at third power tube Q3 junction capacity both ends is less than its conduction threshold, the first power tube Q1, the second power
Pipe Q2 and third power tube Q3 are all in off state；
When the voltage at third power tube Q3 junction capacity both ends is greater than its conduction threshold, third power tube Q3 conducting；
After third power tube Q3 conducting, power supply VDC gives the second function by the first charging paths and the second charging paths
The junction capacity of rate pipe Q2 charges；
When the voltage at the second power tube Q2 junction capacity both ends is less than its conduction threshold, the first power tube Q1 and the second power
Pipe Q2 is in off state；
When the voltage at the second power tube Q2 junction capacity both ends is greater than its conduction threshold, the second power tube Q2 conducting；
After second power tube Q2 conducting, power supply VDC is the junction capacity of the first power tube Q1 by the first charging paths
Charging；
When the voltage at the first power tube Q1 junction capacity both ends is less than its conduction threshold, the first power tube Q1 is off shape
State；
When the voltage at the first power tube Q1 junction capacity both ends is greater than its conduction threshold, the first power tube Q1 conducting；
The voltage of the first power tube Q1 control terminal is clamped at 22V under the action of the first voltage-stabiliser tube D1, in the second pressure stabilizing
The voltage of the second power tube Q2 control terminal is clamped at 22V under the action of pipe D2, third function under the action of third voltage-stabiliser tube D3
The voltage of rate pipe Q3 control terminal is clamped at 22V, and such power supply VDC can pass through first resistor R1, the first power tube
Q1,3rd resistor R3, the second power tube Q2, the 5th resistance R5, third power tube Q3 and counnter attack diode D0 are from voltage output end
To accessory power supply output voltage；
When the voltage of voltage output end output is lower than the starting voltage of accessory power supply, accessory power supply does not start；Work as voltage
When the voltage of output end output is higher than the starting voltage of accessory power supply, auxiliary power start, accessory power supply is started to work.
After accessory power supply is started to work, the 4th input terminal receives the feedback voltage signal of accessory power supply；
The accessory power supply feedback voltage signal that 4th input terminal receives is the 4th capacitor C4 charging by the 7th resistance R7,
And it is charged by the junction capacity that the 8th resistance R8 is the 4th power tube Q4；
When the voltage of the 4th power tube Q4 control terminal is more than its conduction threshold, the 4th power tube Q4 conducting, third power
The voltage of pipe Q3 control terminal reduces；When the voltage of third power tube Q3 control terminal is lower than its conduction threshold, third power tube Q3
Shutdown；
After third power tube Q3 shutdown, the voltage of the second power tube Q2 control terminal is reduced；When the second power tube Q2 control terminal
Voltage be lower than its conduction threshold when, the second power tube Q2 shutdown；
After second power tube Q2 shutdown, the voltage of the first power tube Q1 control terminal is reduced；When the first power tube Q1 control terminal
Voltage when being lower than its conduction threshold, the first power tube Q1 shutdown, start-up circuit stops working, and auxiliary electric source actuating apparatus also stops
Only work.
After start-up circuit stops working, the power supply of the power supply control chip of accessory power supply is completely by the auxiliary of accessory power supply
Power supply coil provides, and accessory power supply works on.
During above-mentioned control auxiliary electric source actuating apparatus starts to work and stops working, entire auxiliary power start
The loss very little of device, can be improved the working efficiency of accessory power supply.
When input voltage is 300V, third power tube Q3 is respectively held during auxiliary power start voltage waveform such as Fig. 2
Shown, in Fig. 2, each waveform is respectively the voltage wave of third power tube Q3 negative pole end during auxiliary power start from top to bottom
Shape, control terminal voltage waveform and control terminal and negative pole end between voltage waveform.After the completion of auxiliary power start, starting electricity
Voltage waveform such as Fig. 3 institute that the voltage waveform and third power tube Q3 of the 4th power tube Q4 control terminal are respectively held in the closing process of road
Show, in Fig. 3, each waveform is respectively the voltage wave of the 4th power tube Q4 control terminal in start-up circuit closing process from top to bottom
Shape, the voltage waveform of third power tube Q3 negative pole end, third power tube Q3 control terminal voltage waveform and third power tube Q3
Voltage waveform between control terminal and negative pole end.
When input voltage is 5000V, third power tube Q3 is respectively held during auxiliary power start voltage waveform such as Fig. 4
Shown, in Fig. 4, each waveform is respectively the voltage wave of third power tube Q3 negative pole end during auxiliary power start from top to bottom
Shape, control terminal voltage waveform and control terminal and negative pole end between voltage waveform.After the completion of auxiliary power start, starting electricity
Voltage waveform such as Fig. 5 institute that the voltage waveform and third power tube Q3 of the 4th power tube Q4 control terminal are respectively held in the closing process of road
Show, in Fig. 5, each waveform is respectively the voltage wave of the 4th power tube Q4 control terminal in start-up circuit closing process from top to bottom
Shape, the voltage waveform of third power tube Q3 negative pole end, third power tube Q3 control terminal voltage waveform and third power tube Q3
Voltage waveform between control terminal and negative pole end.
Auxiliary electric source actuating apparatus provided by the present embodiment, is arranged in series that there are three promoter modules in start-up circuit；
As other embodiments, the promoter module quantity being arranged in series in start-up circuit can be true according to the voltage class of accessory power supply
It is fixed.When a promoter module only is arranged in start-up circuit, which is both first promoter module and most
The latter promoter module, the input terminal of the promoter module connects power supply VDC at this time, and output end is auxiliary power start
The voltage output end of device, in the promoter module in the control terminal of power tube and breaking circuit the 4th power tube Q4 positive terminal
Connection.
As other embodiments, counnter attack diode can not be set at voltage output end.
In the present embodiment, the 4th voltage-stabiliser tube D4 is set, can guarantee the stabilization of third power tube Q3 control terminal voltage, also
It can prevent its overtension；As other embodiments, the 4th voltage-stabiliser tube D4 can use other voltage-stabilizing devices or pressure stabilizing
Circuitry instead can also be not provided with.
In the present embodiment, string is equipped with first resistor R1 in the first connection line, and string is equipped with third electricity in the second connection line
R3 is hindered, string is equipped with the 5th resistance R5 in third connection line, and first resistor R1,3rd resistor R3 and the 5th resistance R5 play current limliting and make
With, therefore as other embodiments, it can connect in the first connection line, the second connection line and third connection line more
A resistance, or only it is arranged one in one of route of the first connection line, the second connection line and third connection line
A biggish resistance of resistance value.
In the present embodiment, the 7th resistance R7 plays metering function, the 8th resistance R8 and the 9th resistance R9 in the 4th connection line
Bleeder circuit is constituted, the 4th capacitor C4 plays pressure stabilization function, to guarantee the stabilization of the voltage of input bleeder circuit；And the 7th resistance
R7, the 8th resistance R8, the 9th resistance R9 and the 4th capacitor C4 constitute time delayed turn-off circuit, by the capacity for adjusting the 4th capacitor C4
The turn-off time of auxiliary electric source actuating apparatus, the shutdown of the bigger auxiliary electric source actuating apparatus of capacity of the 4th capacitor C4 can be adjusted
Time is longer, and the turn-off time of the smaller auxiliary electric source actuating apparatus of capacity of the 4th capacitor C4 is shorter.
Accessory power supply embodiment:
The present embodiment provides a kind of accessory power supply, structure is as shown in fig. 6, include power supply control chip, auxiliary power supply line
Circle and starter, the voltage output end of starter and the voltage output end of auxiliary power supply coil control core for electric connection of power supply
The feeder ear of piece.Starter is used to control the starting of power supply control chip, supplies in power supply control chip start-up course for it
Electricity；Auxiliary power supply coil is power supply control chip power supply after power supply control chip starting.Starter in the present embodiment with
The structure with working principle of auxiliary electric source actuating apparatus are identical in above-mentioned apparatus embodiment, and the auxiliary electric source actuating apparatus is upper
It states in Installation practice and is discussed in detail, seldom explain here.
Claims (9)
1. a kind of auxiliary electric source actuating apparatus, which is characterized in that the pass including start-up circuit and for controlling start-up circuit shutdown
Deenergizing；The start-up circuit includes a promoter module or at least two promoter modules that are arranged in series；The starting
Submodule includes first input end, the first output end and the first power tube, and the first input end connects institute by charging paths
The control terminal of the first power tube is stated, the first input end connects the anode of first power tube by the first connection line
End, the control terminal of first power tube are connected with the negative pole end of the first power tube by the first voltage-stabiliser tube, first function
The negative pole end of rate pipe connects first output end；In the start-up circuit, the first input end of first promoter module is used
In connection power supply, the first output end of the last one promoter module is the voltage output of the auxiliary electric source actuating apparatus
End, and in addition in remaining each promoter module of the last one promoter module, the control terminal of charging paths and the first power tube
Tie point connect the first input end of next promoter module；The breaking circuit is including the second power tube and for connecing
The second input terminal of the feedback voltage signal of accessory power supply is received, second input terminal connects described the by the second connection line
The positive terminal connection of the control terminal of two power tubes, the negative pole end ground connection of second power tube, second power tube is described most
The control terminal of the first power tube in the latter promoter module.
2. auxiliary electric source actuating apparatus according to claim 1, which is characterized in that go here and there and be equipped in second connection line
The tie point of first resistor and second resistance, the first resistor and second resistance is grounded by first capacitor, second function
The control terminal of rate pipe is connected with the negative pole end of the second power tube by 3rd resistor；The charging paths are by resistive circuit and electricity
Hold lines in parallel to constitute, string is equipped with the 4th resistance on the resistive circuit, and string is equipped with the second capacitor on the capacitor lines；It is described
String is equipped with the 5th resistance in first connection line.
3. auxiliary electric source actuating apparatus according to claim 1, which is characterized in that in the last one promoter module
It is connected between the control terminal of one power tube and ground by the second voltage-stabiliser tube；The voltage output end of the auxiliary electric source actuating apparatus
It is provided with the diode for preventing current flowing backwards.
4. a kind of accessory power supply, including power supply control chip, auxiliary power supply coil and starter, the voltage of the starter
The voltage output end of output end and the auxiliary power supply coil exists for being electrically connected the feeder ear of the power supply control chip, feature
In the starter includes start-up circuit and the breaking circuit for controlling start-up circuit shutdown；The start-up circuit includes
One promoter module or at least two promoter modules that are arranged in series；The promoter module includes first input end,
One output end and the first power tube, the first input end connect the control terminal of first power tube, institute by charging paths
State the positive terminal that first input end connects first power tube by the first connection line, the control terminal of first power tube
It is connected with the negative pole end of the first power tube by the first voltage-stabiliser tube, the negative pole end connection described first of first power tube is defeated
Outlet；In the start-up circuit, the first input end of first promoter module is for connecting power supply, the last one starting
First output end of submodule is the voltage output end of the starter, and in addition to remaining of the last one promoter module is each
In promoter module, charging paths with that the tie point of the control terminal of the first power tube connect next promoter module is first defeated
Enter end；The breaking circuit includes the second input of the second power tube and the feedback voltage signal for receiving accessory power supply
End, second input terminal connect the control terminal of second power tube by the second connection line, second power tube
Negative pole end ground connection, the positive terminal of second power tube connect the control of the first power tube in the last one described promoter module
End processed.
5. accessory power supply according to claim 4, which is characterized in that string is equipped with first resistor in second connection line
And second resistance, the tie point of the first resistor and second resistance pass through first capacitor and are grounded, the control of second power tube
End processed is connected with the negative pole end of the second power tube by 3rd resistor.
6. accessory power supply according to claim 4, which is characterized in that the charging paths are by resistive circuit and capacitor lines
Parallel connection is constituted, and string is equipped with the 4th resistance on the resistive circuit, and string is equipped with the second capacitor on the capacitor lines.
7. accessory power supply according to claim 4, which is characterized in that string is equipped with the 5th electricity in first connection line
Resistance.
8. accessory power supply according to claim 4, which is characterized in that the first power tube in the last one promoter module
Control terminal and ground between be connected by the second voltage-stabiliser tube.
9. accessory power supply according to claim 4, which is characterized in that the voltage output end setting of the starter is useful
In the diode for preventing current flowing backwards.
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| CN201910414557.2A CN110198118A (en) | 2019-05-17 | 2019-05-17 | A kind of auxiliary electric source actuating apparatus and a kind of accessory power supply |
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| CN201910414557.2A CN110198118A (en) | 2019-05-17 | 2019-05-17 | A kind of auxiliary electric source actuating apparatus and a kind of accessory power supply |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158067A (en) * | 2011-04-20 | 2011-08-17 | 广州金升阳科技有限公司 | Starting circuit for switching power supply |
| US20180109197A1 (en) * | 2014-11-20 | 2018-04-19 | Microchip Technology Incorporated | Start-Up Controller For A Power Converter |
| CN108566080A (en) * | 2018-05-24 | 2018-09-21 | 广州金升阳科技有限公司 | A kind of started with high voltage and constant current circuit |
-
2019
- 2019-05-17 CN CN201910414557.2A patent/CN110198118A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158067A (en) * | 2011-04-20 | 2011-08-17 | 广州金升阳科技有限公司 | Starting circuit for switching power supply |
| US20180109197A1 (en) * | 2014-11-20 | 2018-04-19 | Microchip Technology Incorporated | Start-Up Controller For A Power Converter |
| CN108566080A (en) * | 2018-05-24 | 2018-09-21 | 广州金升阳科技有限公司 | A kind of started with high voltage and constant current circuit |
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